{"id":102791,"date":"2022-02-24T11:38:49","date_gmt":"2022-02-24T10:38:49","guid":{"rendered":"https:\/\/imperiumromanum.pl\/?post_type=ciekawostki&#038;p=102791"},"modified":"2022-12-15T08:23:26","modified_gmt":"2022-12-15T07:23:26","slug":"roman-crane","status":"publish","type":"ciekawostki","link":"https:\/\/imperiumromanum.pl\/en\/curiosities\/roman-crane\/","title":{"rendered":"Roman crane"},"content":{"rendered":"<p>In ancient <a href=\"https:\/\/imperiumromanum.pl\/en\/roman-geography\/roman-cities\/rome-eternal-city\/\">Rome<\/a>, cranes were used for construction works. <b>Roman crane<\/b> (<em>polyspastos<\/em>) was manned by four men on either side of the machine. The crane was able to lift up to 3,000 kg. <!--more--><\/p>\n<p>After upgrading and applying some modifications, it could lift up to 6,000 kg. The Roman machine was definitely more effective compared to its Egyptian prototype.<\/p>\n<p>When building the pyramids in Egypt, 50 people (50 kg for one person) were needed to lift a 2.5-ton stone. The Roman crane was almost 60 times more effective (3000 kg per person). <a href=\"https:\/\/imperiumromanum.pl\/en\/roman-army\/units-of-roman-army\/roman-engineers\/\">Roman engineers<\/a> were also able to lift weights up to 100 tons.<\/p>\n","protected":false},"featured_media":40095,"template":"","meta":{"_acf_changed":false,"footnotes":""},"kategorie_ciekawostek":[77],"class_list":["post-102791","ciekawostki","type-ciekawostki","status-publish","has-post-thumbnail","hentry","kategorie_ciekawostek-unknown-facts"],"acf":[],"_links":{"self":[{"href":"https:\/\/imperiumromanum.pl\/en\/wp-json\/wp\/v2\/ciekawostki\/102791","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/imperiumromanum.pl\/en\/wp-json\/wp\/v2\/ciekawostki"}],"about":[{"href":"https:\/\/imperiumromanum.pl\/en\/wp-json\/wp\/v2\/types\/ciekawostki"}],"version-history":[{"count":0,"href":"https:\/\/imperiumromanum.pl\/en\/wp-json\/wp\/v2\/ciekawostki\/102791\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/imperiumromanum.pl\/en\/wp-json\/wp\/v2\/media\/40095"}],"wp:attachment":[{"href":"https:\/\/imperiumromanum.pl\/en\/wp-json\/wp\/v2\/media?parent=102791"}],"wp:term":[{"taxonomy":"kategorie_ciekawostek","embeddable":true,"href":"https:\/\/imperiumromanum.pl\/en\/wp-json\/wp\/v2\/kategorie_ciekawostek?post=102791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}